Description: 342 / (20) With Signal Or Energy Processing
Hierarchy/Derived subclasses
CIPO searches
search just 342/20- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((342/20 <IN> CPC) <OR> (342/21 <IN> CPC) <OR> (342/22 <IN> CPC) <OR> (342/22.1 <IN> CPC) <OR> (342/22.2 <IN> CPC) <OR> (342/23 <IN> CPC) <OR> (342/24 <IN> CPC) <OR> (342/25 <IN> CPC) <OR> (342/26 <IN> CPC) <OR> (342/27 <IN> CPC) <OR> (342/28 <IN> CPC) <OR> (342/29 <IN> CPC) <OR> (342/29.1 <IN> CPC) <OR> (342/29.3 <IN> CPC) <OR> (342/29.31 <IN> CPC) <OR> (342/29.4 <IN> CPC) <OR> (342/29.5 <IN> CPC) <OR> (342/29.51 <IN> CPC) <OR> (342/29.6 <IN> CPC) <OR> (342/30 <IN> CPC) <OR> (342/31 <IN> CPC) <OR> (342/32 <IN> CPC) <OR> (342/33 <IN> CPC) <OR> (342/34 <IN> CPC) <OR> (342/34.1 <IN> CPC) <OR> (342/34.11 <IN> CPC) <OR> (342/34.2 <IN> CPC) <OR> (342/34.3 <IN> CPC) <OR> (342/34.31 <IN> CPC) <OR> (342/34.4 <IN> CPC) <OR> (342/35 <IN> CPC) <OR> (342/36 <IN> CPC) <OR> (342/37 <IN> CPC) <OR> (342/38 <IN> CPC) <OR>
(342/39 <IN> CPC) <OR> (342/40 <IN> CPC) <OR> (342/42 <IN> CPC) <OR> (342/42.1 <IN> CPC) <OR> (342/42.2 <IN> CPC) <OR> (342/42.3 <IN> CPC) <OR> (342/43 <IN> CPC) <OR> (342/43.1 <IN> CPC) <OR> (342/44 <IN> CPC) <OR> (342/45 <IN> CPC) <OR> (342/46 <IN> CPC) <OR> (342/47 <IN> CPC) <OR> (342/48 <IN> CPC))
This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find
patents in those subclasses.